<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    {% block head %}{% endblock %}
</head>
<body>
<h1>logo</h1>
<hr>
{% block content1 %}
    <h1>abc</h1>
{% endblock %}
<hr>
<h1>contact {{uname}}</h1>
</body>
</html>